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Comparative Study between Use of Intranasal Steroids with Olfactory Training in Comparison to Olfactory Training Only in Treatment of Post-COVID Smell Dysfunction (Anosmia)


Gamal Ibrahim Yossuf
Amr Embaby Elsayed Karamany
Mohammad Ahmed Abdel Gawad Hassan

Abstract

Background: The smell sense is primarily connected to taste perception, avoidance behavior, and the reaction to warning signals from  dangerous compounds. A viral upper airway infection may result in anosmia that is persistent. Nearly 20% of instances of anosmia are  caused by viral infections.


and objectives: to assess the effectiveness of olfactory training alone vs topical corticosteroid nasal spray  (mometasone furoate nasal spray) with olfactory training in treating anosmia in individuals who have recovered from COVID_19 infection. 


Subjects and methods: This study was conducted in El-Minia Health Insurance Hospital, which was an isolation hospital for  COVID-19 only, in the period between 1/1/2022 to 31/12/2022 and included 50 patients, aged 18 to 70, including 28 males and 22 females,  they were divided into 2 groups each of them contained 25 patients: group (A) 25 patients received olfactory training and intranasal  steroids and group (B) 25 patients were solely given olfactory training.


Results: There was no statistical substantial variation between the  groups as regard patient characteristics, infection characteristics and terms of smell scores pre-treatment, at 1 week (wk), 2 wks, and 3  wks follow-up (Independent sample t test, P > .05).


Conclusion: Mometasone furoate nasal spray had no advantages over olfactory  training as a topical corticosteroid therapy for the management of post-COVID-19 anosmia. There was no superiority in this topical corticosteroid nasal spray. According to our findings, olfactory training may be recommended for anosmia in individuals who have  recovered from COVID-19 infection since there is currently no strong data supporting the usage of topical corticosteroids in the  management of post-COVID-19 olfactory dysfunction. 


Journal Identifiers


eISSN: 2090-7125
print ISSN: 1687-2002